to measure those health stats with a wrist-worn device that can virtually "taste" through the skin, according to device maker PKvitality. The company's $149 K'track Glucose wrist-worn tracker absorbs fluid that contains those chemicals through the underside of the device. The benefit for diabetics is that they'll no longer have to endure finger pricks when they need to check their blood sugar levels. Plus, they could save money on testing strips needed to test blood sugar levels using traditional glucose monitoring methods. https://www.livescience.com/57380-ktrack-pkvitality-skin-tasting-wearable.html